Exam 3: Supply and Demand

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For each of the following sets of supply and demand curves,calculate equilibrium price and quantity. a.QD = 2000 - 2P; QS = 2P b.QD = 500 - P; QS = 50 + P c.QD = 5000 - 10P; QS = -1000 + 5P

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Which of the following is a common determinant of both supply and demand?

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Which of the following will change only the quantity demanded of oranges?

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Suppose that the demand for oranges increases.Explain the long-run effects of the guiding function of price in this scenario.

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Which of the following would lead to a short-run market surplus for tomatoes?

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Which of the following could cause a long-run shift in demand as part of the "guiding function of price"?

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Which of the following will not cause the demand curve for good X to shift?

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Industry supply and demand are given by QD = 1000 - 2P and QS = 3P. a.What is the equilibrium price and quantity? b.At a price of $100,will there be a shortage or a surplus,and how large will it be? c.At a price of $300,will there be a shortage or a surplus,and how large will it be?

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In the short run,a change in the equilibrium price will

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Which of the following will not cause a short-run shift in the supply curve?

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Which of the following is correct? The supply curve will shift when

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If the price of a substitute increases,which of the following is most likely to happen in the market for the product under consideration in the short run?

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An increase in input prices will cause

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In the long run if there is a shortage in the market for a product,the guiding (allocation)function of price can be expected to cause

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Suppose that macroeconomic forecasters predict that the economy will be expanding in the near future.How might managers use this information?

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The "law" of demand can be best described by

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Which of the following statements is false?

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All of the following are non-price determinants of demand except

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Which of the following would indicate that price is temporarily above its market equilibrium?

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The switch to the use of ethanol in gasoline is driven primarily by its relatively lower price.Assuming a competitive market,what effect would this change have on the equilibrium price and output for gasoline?

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